Mifflin County's estimated 2026 population is 45,905 with a growth rate of -0.03% in the past year according to the most recent United States census data. Mifflin County is the 47th largest county in Pennsylvania. The 2010 population was 46,638 and has seen a growth of -1.57% since that time.
Data after 2023 is projected based on recent change
The racial composition of Mifflin County includes 93.92% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (93.92%)
Two or more races (4.11%)
Other race (0.75%)
Black or African American (0.71%)
Asian (0.28%)
Native American (0.14%)
Native Hawaiian or Pacific Islander (0.09%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 43,274 | 93.92% |
| Two or more races | 1,893 | 4.11% |
| Other race | 344 | 0.75% |
| Black or African American | 329 | 0.71% |
| Asian | 128 | 0.28% |
| Native American | 63 | 0.14% |
| Native Hawaiian or Pacific Islander | 43 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
Mifflin County's average per capita income is $42,139. Household income levels show a median of $61,415. The poverty rate stands at 16.04%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,587 | $93,491 |
| Families | $71,884 | $84,036 |
| Households | $61,415 | $73,879 |
| Non Families | $38,502 | $47,433 |
Average Income
Median Household Income
Poverty Rate